NXP Semiconductors MC9S08AC60MFUE

Overview

MC9S08AC60MFUE from NXP Semiconductors (formerly Freescale) is an 8-bit HCS08 microcontroller featuring a 40-MHz CPU, 60 KB on-chip FLASH, 2 KB RAM, and integrated peripherals including dual SCI, SPI, I²C, 16-channel 10-bit ADC, and three 16-bit TPM timer modules. It operates at up to 20-MHz bus frequency and supports LIN 2.0 and SAE J2602 protocols in automotive body control units.

For engineers reviewing the MC9S08AC60MFUE datasheet, MC9S08AC60MFUE pinout, MC9S08AC60MFUE application, or MC9S08AC60MFUE equivalent, key selection criteria include QFN-48 package compatibility, COP watchdog with independent 1-kHz clock source, hardware CRC module, low-voltage detect with interrupt/reset, and background debug system with ICE support for in-circuit development.

Technical Context

The MC9S08AC60MFUE implements the S08CPUV2 core with HC08 instruction set extension (including BGND), executing instructions at up to 40 MHz while maintaining 20-MHz internal bus timing. Its memory subsystem includes 60 KB of user-programmable FLASH with block protection, security options, and vector redirection capability, plus 2 KB of SRAM with retention in Wait mode.

Peripherals are tightly coupled via a unified clocking architecture: the Internal Clock Generator (ICG) provides precision-trimmed internal reference clocks, enabling crystal-free operation; the two SCI modules support master/slave extended break handling for LIN compliance; and the CRC module uses a 16-bit shift register for fast checksum generation over memory blocks.

Key Specifications

Pinout & Package

MC9S08AC60MFUE is housed in a 7 mm × 7 mm, 0.5 mm pitch, 48-pin QFN package (case outline 98ASA00466D) with exposed thermal pad for enhanced thermal dissipation in automotive and industrial environments.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 8-bit automotive microcontroller applications.

Compared with MC9S08AC60MFUE, S9S08AC60E1MLF trades thermal performance for assembly flexibility, while MC9S08AW60CFUE extends connectivity at the cost of functional divergence - neither is pin-compatible, but both serve adjacent automotive control roles where protocol or package constraints differ.

Availability

MC9S08AC60MFUE is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor controllers, and embedded safety-critical systems requiring stable component supply, long-term lifecycle support, and AEC-Q100-qualified silicon.

Supply support for MC9S08AC60MFUE includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors is a global semiconductor leader focused on secure connectivity solutions for automotive, industrial, and IoT applications, formed from the acquisition of Freescale Semiconductor in 2015.

The MC9S08AC60MFUE belongs to the HCS08 family - a line of cost-optimized, low-power 8-bit MCUs designed specifically for automotive body electronics, offering robust peripheral integration, debug capability, and qualification to AEC-Q100 Grade 2 standards.

FAQ

What is the package type and thermal specification of the MC9S08AC60MFUE?

The MC9S08AC60MFUE uses a 48-pin QFN package (98ASA00466D) with an exposed thermal pad measuring 7 mm × 7 mm and 0.5 mm pitch. It is rated for operation from −40°C to +105°C ambient temperature and supports solder reflow per IPC/JEDEC J-STD-020, with the thermal pad recommended to be soldered to a PCB copper plane for optimal heat dissipation in automotive under-hood applications.

Does the MC9S08AC60MFUE support LIN 2.0 communication natively?

Yes, the MC9S08AC60MFUE supports LIN 2.0 Protocol and SAE J2602 through its dual Serial Communications Interface (SCI) modules. Each SCI includes master extended break generation and slave extended break detection circuitry, enabling direct implementation of LIN master and slave nodes without external protocol assist hardware.

What debug capabilities does the MC9S08AC60MFUE provide during development?

The MC9S08AC60MFUE integrates an on-chip background debug system with in-circuit emulation (ICE), supporting single-step execution, up to three breakpoints (one configurable via BGND instruction, two in the debug module), and an eight-deep FIFO for change-of-flow address logging. Debugging occurs over the BKGD/MS pin using standard BDM tools, eliminating need for JTAG headers or additional debug circuitry.

How does the internal clock generator (ICG) in the MC9S08AC60MFUE improve system design?

The ICG module in the MC9S08AC60MFUE provides factory-trimmed internal reference clocks (1–20 MHz range) with ±2% accuracy over temperature and voltage, allowing crystal-free operation. This reduces BOM cost and board space while maintaining timing reliability for ADC sampling, SCI baud rate generation, and PWM frequency control - all configurable via NVM-trimmed calibration values stored in the ICG registers.

Is the MC9S08AC60MFUE qualified for automotive use, and what standards does it meet?

Yes, the MC9S08AC60MFUE is AEC-Q100 qualified for automotive applications. It meets Grade 2 temperature requirements (−40°C to +105°C), includes built-in system protection features such as COP watchdog with independent 1-kHz clock, low-voltage detect with interrupt/reset, illegal opcode detection, and hardware CRC for memory integrity - all essential for ASIL-B–capable body electronics modules.